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39 papers · 1 filter
Measurement of Lepton Momentum Moments in the Decay bar{B} \to X \ell \barν and Determination of Heavy Quark Expansion Parameters and |V_cb|
A. H. Mahmood
We measure the primary lepton momentum spectrum in B-bar to X l nu decays, for p_l > 1.5 GeV/c in the B rest frame. From this, we calculate various moments of the spectrum. In part…
The Phenomenology of Glueball and Hybrid Mesons
Stephen Godfrey
The existence of non-q\bar{q} hadrons such as glueballs and hybrids is one of the most important qualitative questions in QCD. The COMPASS experiment offers the possibility to unam…
Database Repairs and Analytic Tableaux
Leopoldo Bertossi, Camilla Schwind
In this article, we characterize in terms of analytic tableaux the repairs of inconsistent relational databases, that is databases that do not satisfy a given set of integrity cons…
A Measurement of the tau -> mu nu nu Branching Ratio
The OPAL collaboration, G. Abbiendi
The tau -> mu nu nu branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(tau -> mu nu nu) = 0…
Phenomenology of Non-Commutative Field Theories
Stephen Godfrey, M. A. Doncheski
We study the effects of non-commutative QED (NCQED) in fermion pair production, gamma + gamma to f + \bar{f} and Compton scattering, e + gamma to e + gamma. Non-commutative geometr…
Charged particle multiplicities in heavy and light quark initiated events above the Z0 peak
The OPAL collaboration, G. Abbiendi
We have measured the mean charged particle multiplicities separately for bbbar, ccbar and light quark (uubar, ddbar, ssbar) initiated events produced in e+e- annihilations at LEP.…